<!DOCTYPE html>
<style>
  input {
      width: 100px;
      height: 100px;
      display: block;
  }
</style>
<input type="image" src="resources/fragment-identifiers.svg#red">
<input type="image" src="resources/fragment-identifiers.svg#green">
<input type="image" src="resources/fragment-identifiers.svg#blue">
